Title: Kerberos4 KDC AUTH_MSG_KDC_REQUEST NULL termination Vulnerability
Severity: MODERATE
Description:
Kerberos4 KDC and Kerberos5 KDC enabled to serve Kerberos4 tickets are vulnerable to a denial of service. The code that services AUTH_MSG_KDC_REQUESTs does not properly check for null-termination.
Affected Products:
- Cygnus Cygnus Network Security 4.0.0 .x
- Cygnus KerbNet 5.0.0 .x
- MIT Kerberos 4 4.0.0 patch 10
- MIT Kerberos 5 5.0.0 -1.0.x
- MIT Kerberos 5 5.0.0 -1.1
- MIT Kerberos 5 5.0.0 -1.1.1
References:
- MIT: Kerberos Homepage
- Sun: Several Kerberos Applications are Vulnerable to a Denial of Service (DoS)
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